// export to Drive
Export.table.toDrive({
    collection: col1,
    description: 'sample',
    fileNamePrefix: 'prefix',
    fileFormat: 'CSV',
    folder: "CoverFraction"
}
)


// export image to Assets
Export.image.toAsset(
    image,  // image to export
    description,  // strings, name of eport task
    assetId,    // strings, name in Assets
    dimensions, // the width and height of image
    region, //geometry, the region to export
    scale, // resolution, in meters
    crs, // projection information, usually set to EPSG:4326
    crsTransform,
    maxPixels // the max number of exported pixels, 
    //default to 1e8, usually set to 1e13
)